Given investment horizon of 30 days, Microsoft Corporation is expected to generate 0.72 times more return on investment than Oracle. However, Microsoft Corporation is 1.39 times less risky than Oracle. It trades about -0.44 of its potential returns per unit of risk. Oracle Corporation is currently generating about -0.32 per unit of risk. If you would invest 3,198 in Microsoft Corporation on April 26, 2012 and sell it today you would lose (292.00) from holding Microsoft Corporation or give up 9.13% of portfolio value over 30 days.
Diversification
Weak diversification
Overlapping area represents amount of risk that can be diversified away by holding Microsoft Corp. and Oracle Corp. in the same portfolio (assuming nothing else is changed)